The supersonic stone struck.

Mary was ruthless. She couldn't dodge such a fast attack, but she opened her mouth wide—a gaping maw.

The supersonic stone shot straight into her mouth. And then, something bizarre happened.

Theoretically, a stone moving at that speed carried so much kinetic energy that even if Mary could take it without injury, the energy shouldn't just vanish—it should have sent her flying backward.

Yet, the stone vanished inside her mouth as if she possessed her own otherworl